Astronauts prepare for 3rd and final spacewalk
(AP)
<p><img src="http://d.yimg.com/img.news.yahoo.com/util/anysize/130,http%3A%2F%2Fd.yimg.com%2Fa%2Fp%2Fafp%2F20090323%2Fcapt.photo_1237758716627-2-0.jpg?v=2" align="left" height="97" width="130" alt="In this image taken from NASA video, space shuttle Discovery Mission Specialist Joseph Acaba (C) outside the Quest airlock of the ISS on March 21, 2009 during the second of three planned spacewalks. Discovery astronauts prepared for a third and final spacewalk, with a busy to-do list that may include unsticking a jammed restraint pin used to clamp a toolbox to the outside of the Space Station.(AFP/NASA VIDEO)" border="0" /> (http://us.rd.yahoo.com/dailynews/rss/us/*http://news.yahoo.com/s/ap/20090323/ap_on_sc/space_shuttle)AP - Shuttle Discovery's astronauts have one last spacewalk ahead of them.</p><br clear="all"/>
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